package jdbc;

import com.alibaba.druid.pool.DruidDataSource;
import java.sql.Connection;
import java.sql.SQLException;

/**
 * 数据库工具类：维护数据库连接
 */
public class DBUtil {
    private static DruidDataSource dataSource = new DruidDataSource();
    static {
        //向连接池设置 数据库连接的基本信息
        dataSource.setUrl("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true");
        dataSource.setUsername("root");
        dataSource.setPassword("192045");
        dataSource.setMaxActive(20);// 设置最大连接数
        dataSource.setInitialSize(5);// 设置初始连接数
    }
    public static Connection getConnection() throws SQLException {
        return dataSource.getConnection();
    }
}
